我想在Jupyter笔记本中使用R语言。
我打开了R shell并运行了以下命令:
install.packages(c('rzmq','repr','IRkernel','IRdisplay'),
repos = c('http://irkernel.github.io/', getOption('repos')))
IRkernel::installspec()
然后我打开了我的ipython笔记本,并使用现在可用的R扩展创建了一个新的笔记本。然而,当我访问笔记本时,遇到了这个内核错误:
Traceback (most recent call last):
File "C:\Users\Nina Kate\Anaconda3\lib\site-packages\IPython\html\base\handlers.py", line 394, in wrapper
result = yield gen.maybe_future(method(self, *args, **kwargs))
File "C:\Users\Nina Kate\Anaconda3\lib\site-packages\IPython\html\services\sessions\handlers.py", line 53, in post
model = sm.create_session(path=path, kernel_name=kernel_name)
File "C:\Users\Nina Kate\Anaconda3\lib\site-packages\IPython\html\services\sessions\sessionmanager.py", line 66, in create_session
kernel_name=kernel_name)
File "C:\Users\Nina Kate\Anaconda3\lib\site-packages\IPython\html\services\kernels\kernelmanager.py", line 84, in start_kernel
kernel_name=kernel_name, **kwargs)
File "C:\Users\Nina Kate\Anaconda3\lib\site-packages\IPython\kernel\multikernelmanager.py", line 112, in start_kernel
km.start_kernel(**kwargs)
File "C:\Users\Nina Kate\Anaconda3\lib\site-packages\IPython\kernel\manager.py", line 240, in start_kernel
**kw)
File "C:\Users\Nina Kate\Anaconda3\lib\site-packages\IPython\kernel\manager.py", line 189, in _launch_kernel
return launch_kernel(kernel_cmd, **kw)
File "C:\Users\Nina Kate\Anaconda3\lib\site-packages\IPython\kernel\launcher.py", line 202, in launch_kernel
proc = Popen(cmd, **kwargs)
File "C:\Users\Nina Kate\Anaconda3\lib\subprocess.py", line 859, in __init__
restore_signals, start_new_session)
File "C:\Users\Nina Kate\Anaconda3\lib\subprocess.py", line 1112, in _execute_child
startupinfo)
FileNotFoundError: [WinError 2] The system cannot find the file specified
R
,它是否会启动 R?如果没有,您需要将包含R.exe
的目录添加到系统路径中。请参阅此处的更改说明:http://www.computerhope.com/issues/ch000549.htm - Thomas K